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Constructible sheaf

In mathematics, a constructible sheaf is a sheaf of abelian groups over some topological space X, such that X is the union of a finite number of locally closed subsets on each of which the sheaf is a locally constant sheaf. It has its origins in algebraic geometry, where in étale cohomology constructible sheaves are defined in a similar way (Artin…

Art, Examples in algebraic topology & Overview

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Examples in algebraic topology

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Overview

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Definition of étale constructible sheaves on a scheme X

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Definition of étale constructible sheaves on a scheme X

Examples in algebraic topology

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Constructible sheaf

Nodes26
Edges25
Triples5
Avg. degree1.92
Density0.076923
Components1

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Constructible sheaf

Top relations

related to Derived pushforward on P1 · 4
Constructible sheaf → For, One, Since, Then
is a · 1
Constructible sheaf → sheaf of abelian groups over some topological space X

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Important terminology

constructible displaystyle étale sheaves sheaf mathcal cohomology derived local family system mathbb constant pushforward abelian groups finite monodromy springer-verlag isbn

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Constructible sheafis asheaf of abelian groups over some topological space X0.90text
Constructible sheafrelated to Derived pushforward on P1One0.60section
Constructible sheafrelated to Derived pushforward on P1Since0.60section
Constructible sheafrelated to Derived pushforward on P1For0.60section
Constructible sheafrelated to Derived pushforward on P1Then0.60section

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    Min side: 3
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